SOLUTION: The perimeter of the rectangle is 56 mm. If the width is 10 mm, what is the area?

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Question 868764: The perimeter of the rectangle is 56 mm. If the width is 10 mm, what is the area?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,

L + w = 28mm
L + 10mm = 28mm
L = 18mm